Tiwari, A., K.B. Adhikari, and S.M. Dhungana. “Economics of Orthodox Tea Production: A Case of Ilam, Nepal”. Journal of Agriculture and Environment 18 (May 12, 2018): 1-5. Accessed April 23, 2019. https://www.nepjol.info/index.php/AEJ/article/view/19884.